CN208057410U - Sliding valve vacuum pump - Google Patents
Sliding valve vacuum pump Download PDFInfo
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- CN208057410U CN208057410U CN201820498435.7U CN201820498435U CN208057410U CN 208057410 U CN208057410 U CN 208057410U CN 201820498435 U CN201820498435 U CN 201820498435U CN 208057410 U CN208057410 U CN 208057410U
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- babinet
- vacuum pump
- oil
- sliding valve
- valve vacuum
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Abstract
A kind of sliding valve vacuum pump, including the pump housing, the babinet of setting storage fluid on the pump housing, babinet is interior to be arranged gs-oil separator, and the outlet passageway of the pump housing is connected with gs-oil separator, the babinet is equipped with partition board, babinet is separated into upper chamber and lower chambers by partition board, and partition board opens up intercommunicating pore, and exhaust outlet is arranged in upper chamber, and it is built-in with mist of oil filter core, mist of oil filter core is distributed on intercommunicating pore；The gs-oil separator is arranged in lower chambers.The utility model provides a kind of sliding valve vacuum pump, and filter core is integrated in babinet so that from the mist of oil in the gas that babinet exhaust outlet is discharged by mist of oil filter element filtering, avoids pollution air.
Description
Technical field
The utility model belongs to vacuum pump technology field, refers in particular to a kind of sliding valve vacuum pump.
Background technology
Sliding valve vacuum pump is the abbreviation of side valve type oil sealing mechanical pump.It is a kind of variable displacement type gas transport pump.Such as application number
For 201410298698.X, existing sliding valve vacuum pump gas is expelled directly out from babinet exhaust outlet, and gas contains a large amount of smog,
Seriously it polluted air.
Utility model content
The purpose of this utility model is to provide a kind of sliding valve vacuum pump, and filter core is integrated in babinet so that is arranged from babinet
The smog in gas is discharged by mist of oil filter element filtering in gas port, avoids pollution air.
What the purpose of this utility model was realized in：A kind of sliding valve vacuum pump, including the pump housing, setting storage oil on the pump housing
Gs-oil separator is arranged in babinet for the babinet of liquid, and the outlet passageway of the pump housing is connected with gs-oil separator, the babinet equipped with every
Babinet is separated into upper chamber and lower chambers by plate, partition board, and partition board opens up intercommunicating pore, and exhaust outlet is arranged in upper chamber, and is built-in with oil
Mist filter core, mist of oil filter core are distributed on intercommunicating pore；The gs-oil separator is arranged in lower chambers.
Wherein, the gs-oil separator includes air inlet airscoop shroud directed downwardly, the laterally disposed gas outlet of airscoop shroud, airscoop shroud
Top is installed by oil baffle；Lower chambers are divided into left chamber and right chamber by oil baffle with airscoop shroud, and gas outlet is arranged in left chamber side,
The intercommunicating pore is distributed in right chamber side；The air-flow for being connected to left chamber and right chamber is formed between airscoop shroud both sides and cabinet wall
Channel.
Wherein, first laterally toward gas outlet discharge directions extend the oil baffle, then bend obliquely.
Wherein, the return duct of built-in check valve is installed between the upper chamber and lower chambers.
Wherein, the airscoop shroud is mounted laterally spray bar, and the babinet, which is arranged, transparent regards oily window, the free end of spray bar
Towards regarding oily window.
Wherein, it is equipped with pressure gauge outside the babinet, the internal pressure induction end of pressure gauge extends to lower chambers.
Wherein, pump chamber is set in the pump housing, and pump chamber is connected with main shaft, and pump housing front is combined with drive end bearing bracket, rear portion cooperation
There are rear end cap, drive end bearing bracket and rear end cap that the bearing of cooperation main shaft is respectively set；Main shaft stretches out drive end bearing bracket and connects driving wheel；Front end
Gas ballast valve is respectively set on lid and rear end cap, the air inlet port of the gas ballast valve is integrally opened on drive end bearing bracket and rear end cap, into
The external port in stomata road installs silencer.
Wherein, the pump housing is mounted laterally the solenoid valve of control oil circuit, and the fuel feed hole and oil outlet of the solenoid valve are set
It sets on same mounting surface.
Wherein, the main shaft stretches out front end cover and is arranged with mechanical sealing assembly, mechanical sealing assembly include stationary ring and
Rotating ring, rotating ring are mounted on inside, and stationary ring clearance fit is on the outside of main shaft, and stationary ring back-supported in installation set, fix by installation set
On drive end bearing bracket；Annular groove is arranged in the rotating ring outer wall, is arranged with spring on annular groove, both ends of the spring is against annular groove two respectively
On the cell wall of side.
Wherein, the stationary ring is equipped with cricoid silicon carbide with respect to rotating ring side, and rotating ring is equipped with cyclic annular carbon with respect to stationary ring side
SiClx or graphite.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：
1, the babinet of mist of oil filter core, more compact structure are integrated.
2, the arrangement of oil baffle avoids the impact directly to mist of oil filter core.
3, the setting of return duct can facilitate the fluid of recycling upper chamber.
4, the pressure gauge of the setting on babinet can intuitively find the stopping state of mist of oil filter core.
5, oil spout form can be observed how the fluid situation in gas channel.
6, gas ballast valve is integrally disposed upon on drive end bearing bracket and rear end cap, more compact structure.
7, solenoid valve fuel feed hole and oil outlet are arranged in same mounting surface, and the oilhole that can be directly connected on the pump housing saves
External hose or hard tube it is cumbersome.
8, the mechanical seal structure of rotating ring and stationary ring carries out elastic compensating using big spring structure, silicon carbide and silicon carbide,
Or silicon carbide is contacted with graphite grazing, easy for installation, good seal performance.
Description of the drawings
Fig. 1 is the main sectional view of the utility model；
Fig. 2 is the sectional view of the utility model；
Fig. 3 is the sectional view of the utility model babinet；
Fig. 4 is the structural exploded view of the utility model babinet；
Fig. 5 is the partial sectional view of the pump housing；
Fig. 6 is the front view of the pump housing；
Fig. 7 is the part drawing of rear end cap；
Fig. 8 is the sectional view in the directions A-A in Fig. 7；
Fig. 9 is the structural exploded view of mechanical sealing assembly；
Figure 10 is the enlarged drawing at A in Fig. 1.
Reference numeral：1, the pump housing；2, driving wheel；3, main shaft；4, babinet；5, mist of oil filter core；5a, press strip；6, oil baffle；7,
Partition board；7a, intercommunicating pore；8, airscoop shroud；8a, air inlet；8b, gas outlet；9, spray bar；10, oily window is regarded；11, pump chamber；11a, into
Gas channel；11b, outlet passageway；12, solenoid valve；12a, fuel feed hole；12b, oil outlet；13, pressure gauge；14, exhaust outlet；15, it returns
Flow tube；16a, drive end bearing bracket；16b, rear end cap；17, silencer；18, gas ballast valve；18a, air inlet port；19, stationary ring；20, rotating ring；
21, spring；22, installation set；23, gas channel；24, silicon carbide；25, silicon carbide or graphite；X, upper chamber；Y, lower chambers.
Specific implementation mode
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1-10：
Pump chamber is arranged in the pump housing 1 in a kind of sliding valve vacuum pump, including the pump housing 1, the babinet 4 of setting storage fluid on the pump housing 1
11, pump chamber 11 laterally opens up inlet channel 11a and outlet passageway 11b；Gs-oil separator is set in babinet 4, and the outlet of the pump housing 1 is logical
Road 11b is connected with gs-oil separator；In conjunction with Fig. 1 and Fig. 3, babinet 4 is equipped with partition board 7, and babinet 4 is separated into upper chamber X by partition board 7
With lower chambers Y, partition board 7 opens up intercommunicating pore 7a, and exhaust outlet 14 is arranged in upper chamber X, and is built-in with mist of oil filter core 5, and mist of oil filter core 5 divides
For cloth on intercommunicating pore 7a, mist of oil filter core 5 lower part connection trim strip 5a, press strip 5a are stuck in the lower surfaces intercommunicating pore 7a；The Oil-gas Separation
Device is arranged in lower chambers Y.
In conjunction with Fig. 3 and Fig. 4, gs-oil separator includes air inlet 8a airscoop shrouds 8 directed downwardly, and airscoop shroud 8 is square, air inlet
8a is tapered opening, facilitates docking outlet passageway 11b；Airscoop shroud 8 laterally disposed gas outlet 8b, gas outlet 8b are in lateral strip；
Oil baffle 6 is installed at 8 top of airscoop shroud, and first laterally toward 8b discharge directions in gas outlet extend oil baffle 6, then bend obliquely, directly
To close to a distance is laterally bent when partition board 7 again；Lower chambers Y is divided into left chamber and right chamber by oil baffle 6 with airscoop shroud 8,
Gas outlet 8b is arranged in left chamber side, and the intercommunicating pore 7a is distributed in right chamber side；Between 4 inner wall of 8 both sides of airscoop shroud and babinet
Form the gas channel 23 of connection left chamber and right chamber.
Wherein, the return duct 15 of built-in check valve is installed between upper chamber X and lower chambers Y.Airscoop shroud 8 is mounted laterally spray
The transparent oily window 10 that regards is arranged in oil pipe 9, babinet 4, and the free end of spray bar 9 is towards regarding oily window 10.It is equipped with pressure outside the babinet 4
The internal pressure induction end of table 13, pressure gauge 13 extends to lower chambers Y.
Wherein, pump chamber 11 is connected with main shaft 3, and 1 front of the pump housing is combined with drive end bearing bracket 16a, and rear portion is combined with rear end cap 16b,
The bearing of cooperation main shaft 3 is respectively set in drive end bearing bracket 16a and rear end cap 16b；Main shaft 3 stretches out drive end bearing bracket 16a and connects driving wheel 2；
Gas ballast valve 18 is respectively set on drive end bearing bracket 16a and rear end cap 16b, in conjunction with Fig. 7 and Fig. 8, the air inlet port 18a mono- of gas ballast valve 18
Body is opened on rear end cap 16b, similarly, air inlet port so is also opened up on drive end bearing bracket 16a；The external port of air inlet port 18a
Silencer 17 is installed.
In conjunction with Fig. 1 and Fig. 5, the pump housing 1 is mounted laterally the solenoid valve 12 of control oil circuit, the fuel feed hole of the solenoid valve 12
12a and oil outlet 12b are arranged on same mounting surface.As shown in fig. 6, after the oil outlet 12b of solenoid valve 12 comes out, in the pump housing 1
Upper transverse direction is divided into two branches, flows to drive end bearing bracket 16a and rear end cap 16b respectively, gives the mechanisms such as internal bearing lubrication.
In conjunction with Fig. 1, Fig. 9 and Figure 10, main shaft 3 stretches out the parts drive end bearing bracket 16a and is arranged with mechanical sealing assembly, mechanical seal group
Part includes stationary ring 19 and rotating ring 20, and rotating ring 20 is mounted on inside, and 19 clearance fit of stationary ring is in 3 outside of main shaft, 19 back branch of stationary ring
In installation set 22, installation set 22 is fixed on drive end bearing bracket 16a for support；Annular groove is arranged in 20 outer wall of the rotating ring, is covered on annular groove
Equipped with spring 21,21 both ends of spring are against respectively on the cell wall of annular groove both sides.Wherein, stationary ring 19 and 20 opposite side of rotating ring difference
Installation silicon carbide 24 is installed on cricoid silicon carbide 24 or stationary ring 19, cricoid graphite is installed on rotating ring 20, stationary ring and dynamic
20 bulk material of ring uses rubber.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore：The equivalence changes that all structures, shape, principle according to the utility model are done, should all be covered by the protection of the utility model
Within the scope of.
Claims (10)
1. a kind of sliding valve vacuum pump, including the pump housing (1), the babinet (4) of setting storage fluid on the pump housing (1), setting in babinet (4)
The outlet passageway (11b) of gs-oil separator, the pump housing (1) is connected with gs-oil separator, it is characterised in that：The babinet (4) sets
There are partition board (7), partition board (7) that babinet (4) is separated into upper chamber (X) and lower chambers (Y), partition board (7) opens up intercommunicating pore (7a), on
Exhaust outlet (14) is arranged in chamber (X), and is built-in with mist of oil filter core (5), and mist of oil filter core (5) is distributed on intercommunicating pore (7a)；It is described
Gs-oil separator is arranged at lower chambers (Y).
2. sliding valve vacuum pump according to claim 1, it is characterised in that：The gs-oil separator includes air inlet (8a) court
Under airscoop shroud (8), airscoop shroud (8) laterally disposed gas outlet (8b), installation oil baffle (6) at the top of airscoop shroud (8)；Oil baffle
(6) lower chambers (Y) are divided into left chamber and right chamber with airscoop shroud (8), gas outlet (8b) is arranged in left chamber side, the connection
(7a) is distributed in right chamber side in hole；The gas for being connected to left chamber and right chamber is formed between airscoop shroud (8) both sides and babinet (4) inner wall
Circulation road (23).
3. sliding valve vacuum pump according to claim 2, it is characterised in that：The first laterally toward gas outlet of the oil baffle (6)
(8b) discharge directions extend, then bend obliquely.
4. sliding valve vacuum pump according to claim 1, it is characterised in that：Pacify between the upper chamber (X) and lower chambers (Y)
Return duct (15) equipped with built-in check valve.
5. sliding valve vacuum pump according to claim 2, it is characterised in that：The airscoop shroud (8) is mounted laterally spray bar
(9), the transparent oily window (10) that regards is arranged in the babinet (4), and the free end of spray bar (9) is towards regarding oily window (10).
6. sliding valve vacuum pump according to claim 1, it is characterised in that：It is equipped with pressure gauge (13) outside the babinet (4), is pressed
The internal pressure induction end of power table (13) extends to lower chambers (Y).
7. sliding valve vacuum pump according to claim 1, it is characterised in that：Setting pump chamber (11), pump chamber in the pump housing (1)
(11) it is connected with main shaft (3), the pump housing (1) front is combined with drive end bearing bracket (16a), and rear portion is combined with rear end cap (16b), drive end bearing bracket
The bearing of cooperation main shaft (3) is respectively set in (16a) and rear end cap (16b)；Main shaft (3) stretches out drive end bearing bracket (16a) and connects driving wheel
(2)；Gas ballast valve (18), the air inlet port of the gas ballast valve (18) are respectively set on drive end bearing bracket (16a) and rear end cap (16b)
(18a) is integrally opened on drive end bearing bracket (16a) and rear end cap (16b), and the external port of air inlet port (18a) installs silencer
(17)。
8. sliding valve vacuum pump according to claim 1, it is characterised in that：The pump housing (1) has been mounted laterally control oil circuit
Solenoid valve (12), the fuel feed hole (12a) and oil outlet (12b) of the solenoid valve (12) are arranged on same mounting surface.
9. sliding valve vacuum pump according to claim 7, it is characterised in that：The main shaft (3) stretches out the part drive end bearing bracket (16a)
It is arranged with mechanical sealing assembly, mechanical sealing assembly includes stationary ring (19) and rotating ring (20), and rotating ring (20) is mounted on inside, stationary ring
(19) clearance fit is on the outside of main shaft (3), and for stationary ring (19) back-supported in installation set (22), installation set (22) is fixed on front end
It covers on (16a)；Annular groove is arranged in rotating ring (20) outer wall, and spring (21), spring (21) both ends difference are arranged on annular groove
It is against on the cell wall of annular groove both sides.
10. sliding valve vacuum pump according to claim 9, it is characterised in that：The stationary ring (19) is pacified with respect to rotating ring (20) side
Equipped with cricoid silicon carbide (24), rotating ring (20) is equipped with cricoid silicon carbide or graphite (25) with respect to stationary ring (19) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820498435.7U CN208057410U (en) | 2018-04-09 | 2018-04-09 | Sliding valve vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820498435.7U CN208057410U (en) | 2018-04-09 | 2018-04-09 | Sliding valve vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057410U true CN208057410U (en) | 2018-11-06 |
Family
ID=63985589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820498435.7U Active CN208057410U (en) | 2018-04-09 | 2018-04-09 | Sliding valve vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208057410U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915377A (en) * | 2019-04-16 | 2019-06-21 | 成都中科唯实仪器有限责任公司 | A kind of novel two stage rotary-vane vaccum pump |
-
2018
- 2018-04-09 CN CN201820498435.7U patent/CN208057410U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915377A (en) * | 2019-04-16 | 2019-06-21 | 成都中科唯实仪器有限责任公司 | A kind of novel two stage rotary-vane vaccum pump |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |